CA3147331C - Speaker unit and speaker - Google Patents

Speaker unit and speaker Download PDF

Info

Publication number
CA3147331C
CA3147331C CA3147331A CA3147331A CA3147331C CA 3147331 C CA3147331 C CA 3147331C CA 3147331 A CA3147331 A CA 3147331A CA 3147331 A CA3147331 A CA 3147331A CA 3147331 C CA3147331 C CA 3147331C
Authority
CA
Canada
Prior art keywords
diaphragm
speaker
end side
driver unit
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA3147331A
Other languages
English (en)
French (fr)
Other versions
CA3147331A1 (en
Inventor
Kazunori Sato
Nobuhiro Miyahara
Yoshio Sakamoto
Hiroshi Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sound Fun Corp
Original Assignee
Sound Fun Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sound Fun Corp filed Critical Sound Fun Corp
Publication of CA3147331A1 publication Critical patent/CA3147331A1/en
Application granted granted Critical
Publication of CA3147331C publication Critical patent/CA3147331C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H04R9/027—Air gaps using a magnetic fluid
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CA3147331A 2019-08-17 2019-08-17 Speaker unit and speaker Active CA3147331C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/032203 WO2021033226A1 (ja) 2019-08-17 2019-08-17 スピーカユニット、及びスピーカ湾曲振動板

Publications (2)

Publication Number Publication Date
CA3147331A1 CA3147331A1 (en) 2021-02-25
CA3147331C true CA3147331C (en) 2023-06-27

Family

ID=74659881

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3147331A Active CA3147331C (en) 2019-08-17 2019-08-17 Speaker unit and speaker

Country Status (10)

Country Link
US (1) US12063468B2 (https=)
EP (2) EP4529226B1 (https=)
JP (1) JP7369195B2 (https=)
KR (2) KR102625408B1 (https=)
CN (1) CN114223213B (https=)
AU (1) AU2019462145B2 (https=)
CA (1) CA3147331C (https=)
MX (1) MX2022002028A (https=)
PH (1) PH12022550228A1 (https=)
WO (1) WO2021033226A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7025833B2 (ja) * 2019-09-17 2022-02-25 株式会社サウンドファン スピーカユニット、及びスピーカ
CN116320924A (zh) * 2023-03-03 2023-06-23 江西融贤声学科技有限公司 拓扑曲面带扬声器
WO2025194373A1 (zh) * 2024-03-20 2025-09-25 瑞声光电科技(常州)有限公司 扬声器

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5418336A (en) * 1990-10-17 1995-05-23 Canon Research Centre Europe Ltd. Sound output device
GB9215222D0 (en) * 1992-07-17 1992-09-02 Electro Acoustic Ind Ltd Loudspeaker
GB9714050D0 (en) * 1997-07-03 1997-09-10 New Transducers Ltd Panel-form loudspeakers
JP2006303777A (ja) * 2005-04-19 2006-11-02 Pioneer Electronic Corp スピーカ装置
JP2008131541A (ja) * 2006-11-24 2008-06-05 Yamaha Corp スピーカ装置
JP2013157798A (ja) * 2012-01-30 2013-08-15 Panasonic Corp スピーカ、補聴器、インナーイヤーヘッドホン、携帯型情報処理装置、およびａｖ機器
JP6048469B2 (ja) * 2013-10-22 2016-12-21 ヤマハ株式会社 電気音響変換器
FR3014628B1 (fr) * 2013-12-05 2017-04-21 Devialet Haut-parleur electrodynamique compact a membrane convexe
JP5668233B1 (ja) * 2014-03-26 2015-02-12 株式会社サウンドファン 万能スピーカ
JP2015233272A (ja) * 2014-05-14 2015-12-24 ヤマハ株式会社 電気音響変換器
JP6322791B2 (ja) * 2014-09-10 2018-05-16 株式会社サウンドファン 万能スピーカ
JP6123838B2 (ja) * 2014-09-29 2017-05-10 ヤマハ株式会社 電気音響変換器
JP2016096454A (ja) * 2014-11-14 2016-05-26 ヤマハ株式会社 電気音響変換器
JP2016140060A (ja) * 2015-01-25 2016-08-04 株式会社サウンドファン 万能スピーカ
KR20160140060A (ko) 2015-05-29 2016-12-07 부경대학교 산학협력단 수질 모니터링 시스템 및 이를 이용한 수질 모니터링 방법
US10051373B2 (en) * 2015-06-01 2018-08-14 Alexander Manly STAHL Audio transducer with hybrid diaphragm
GB2542382A (en) * 2015-09-17 2017-03-22 Gp Acoustics (Uk) Ltd Low-profile loudspeaker
JP6418556B2 (ja) * 2015-12-17 2018-11-07 オンキヨー株式会社 スピーカー用振動板、これを備えたスピーカー、および、スピーカー用振動板の製造方法
JP6439894B1 (ja) * 2018-07-16 2018-12-19 株式会社サウンドファン スピーカ湾曲振動板
JP7816876B2 (ja) * 2022-04-26 2026-02-18 パナソニックオートモーティブシステムズ株式会社 副振動板、およびスピーカ

Also Published As

Publication number Publication date
PH12022550228A1 (en) 2022-12-12
CN114223213A (zh) 2022-03-22
EP4017025A4 (en) 2023-05-24
EP4529226A3 (en) 2025-06-11
WO2021033226A1 (ja) 2021-02-25
MX2022002028A (es) 2022-03-11
AU2019462145B2 (en) 2023-04-06
AU2019462145A1 (en) 2022-03-03
EP4529226A2 (en) 2025-03-26
KR20220025035A (ko) 2022-03-03
KR102759777B1 (ko) 2025-01-24
BR112022001254A2 (pt) 2022-04-05
KR20230169451A (ko) 2023-12-15
JPWO2021033226A1 (https=) 2021-02-25
US12063468B2 (en) 2024-08-13
EP4529226C0 (en) 2026-02-11
CA3147331A1 (en) 2021-02-25
EP4529226B1 (en) 2026-02-11
KR102625408B1 (ko) 2024-01-15
JP7369195B2 (ja) 2023-10-25
US20220295173A1 (en) 2022-09-15
EP4017025A1 (en) 2022-06-22
CN114223213B (zh) 2024-12-13

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